Durán Agüero, S. (2021) «Stages of change in the purchase of ultra-processed snacks among university students after the implementation of the chilean food law; a multi-center study», Archivos Latinoamericanos de Nutrición (ALAN), 70(4), pp. 263–268. Disponible en: https://saber.ucv.ve/ojs/index.php/rev_alan/article/view/22192 (Accedido: 21 julio 2026).